2 volumes. viii, 411, [1], +32 ad; viii, 486, +[2] ad pp. (8vo) original green cloth, covers ruled in blind, spines lettered in gilt. First Edition, First Issue.
The only section of Darwin's expanded work on the origin of species published in his lifetime. Six lines of errata in Volume 1, seven in Volume 2, spine imprints in a single line of type. Publisher's catalog in Volume 1 dated April 1867; integral ad leaf at rear of Volume 2 dated February 1868. One of only 1500 copies printed. Embossed stamp of Liverpool's Holden Bookseller on front endpapers. Freeman 877.